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US2467656A
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Assignee: Buxton Inc
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Filing: 1947-11-20
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Granted: 1949-04-19
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Expires: 1967-11-20
Abstract
No abstract record available.
Inventors
- 👤 Douglas J Broughton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:02
CPC Classifications
A; A45; A45C; A45C15/00; A45C15/02; B; B42; B42D; B42D5/00; B42D5/04; B42D5/042; B42F; B42F7/00; B42F7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-04-18 | 1952-10-18 | 1953-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-18 | 1956-10-18 | 1957-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-18 | 1960-10-18 | 1961-04-19 | $7700.00 | Window Closed / Lapsed |